# Placement Papers: RS Software Placement Paper AptitudeNumerical Ability

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1. 420% OF 7.79 =? Ans. 32.718

2. 3427/16.53 =? Ans. 202

3. 10995/95 =? Ans. 115.7365

4. 43 + 557 − 247 =? Ans. 353

5. 3107 * 3.082 =? Ans. 9591

6. 48.7 + 24.9 − 8.7 =? Ans. 64.90

7. 525.0/47.8 =? Ans. 11

8. (135 − 30 − 14) * 7 − 6 + 2 =? Ans. 3

9. ⅜ * 5.04 =? Ans. 1.89

10. 697/219 =? Ans. 3.18

11. 8/64 + 64/16 =? Ans. 4.14

12. 298 * 312/208 =? Ans. 453.54

13. 0.33 * 1496/13 =? Ans. 37.98

14. 0.26 + ⅛ =? Ans. 0.385

15. 66.17 + ⅓ =? Ans. 67.03

16. 2.84 + ¼ =? Ans. 3.09

17. 33% OF 450 =? Ans. 148.5

18. 907.54/0, 3073 =? Ans. 3002

19. There are two categories of persons in ratio A: B = 2: 3. A type earns 2.5 dollars/hr and B type 1 dollar/hr total money earned by both is 24dollars. Then what is the total number of persons Ans. 15

20. Total balls are z, the number of red balls is n and the remaining are blak balls, then the % of black balls equal to? Ans (z-n)./z * 100

21. If A = C, B = 2D what should be done to make the ratio same. Ie, a/b = c/d Ans. Multiply A by 2

22. If P = Total number of components, Q = number of defective components. What is the % of non defective components? Ans (p-q)./p * 100

23. If the cost of an article is x, first discount given is y% of cost, second discount given is z% of cost. The selling price of x is Ans. x (1 − y/100) (1 − z/100)

24. Which of the following are prime numbers

1. 119

2. 115

3. 127

4. none

Ans. c

25. A/B = C; C > D then

1. A is always greater than D

2. C is always greater than D

3. B is always less than D

4. None of these

Ans. a

26. If B>C and A<C which of the following is larger than A + B + C Ans (A + B). C

27. If for H hours of work the salary is S and the employee gets x hours of medical leave, then what is the salary/hr? Ans. s/H-x

28. (⅙ of 596)/(0.695) =? Ans. 142

29. 35 − 30 + 4/7 − 5 + 1 =? Ans. 3

30. 10995 + 95 =? Ans. 11090

31. If on a salary of Rs. “S” per month, one has to pay one tax of x Rs. And a second type of tax of y Rs. Then % of salary taken home is? Ans. s- (x + y)/s * 100

32. B>A then which expression will be highest value

33. K, L are men who take home a salary of x, y respectively. The total amount taken home is Ans. Kx + Ly

34. If out of X bulbs y bulbs are broken; The % of non broken bulbs Ans (x-y)./x * 100

35. If on a salary s per month, a tax of x% of the salary and another of r% of the salary is deducted what is the income. Ans. s * (1- (x + r)/100)

36. 0.512 * 18902358 =? Ans. 9678007.296

37. If the % of defective balls is 10% balls, and the number of defective balls is 5. The number of balls is Ans. 50

38. 6.29% of 2.8 =? Ans. 0.18

39. 0.398 * 456 =? Ans. 181.49

40. 0 < x < 1 which is greater

1. 1/x2

2. 1/x

3. x

4. x2

Ans. a

41. If c = a/b; a − 1 = c, what is the relation between a and b? Ans. b = a/a − 1

42. What is the sum of 7 consecutive odd numbers with 27 as the fourth number

Ans. 189